Colette Duffy, LCSW
Clinical Social Worker · Boston, MA
Colette Duffy, LCSW is a clinical social worker with a practice address in Boston, Massachusetts, and NPI 1447809553, issued on Sep 11, 2019. Check the license (Massachusetts 223396, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Colette Duffy
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 223396 MA
Self-reported in NPPES; status is on the state search - Practice location
- 84 State St, Boston, MA 02109
- Phone
- (860) 788-6404
- Enumerated
- Sep 11, 2019
- Record last updated
- Nov 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20251124000363); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Also registered at 84 State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Colette Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 223396Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Meditelecare OF Massachusetts, PLLCBoston, MA
- Medoptions OF New Hampshire LLCBoscawen, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colette Duffy among 17,815 clinical social worker records in Massachusetts
Colette Duffy, LCSW is one of 17,815 clinical social worker records with a practice address in Massachusetts. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 77% of them.
- NPI issued2019 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2015 · median 2004 among the 3,059 with a school on file
- Record last updated2025 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,906 clinical social worker records list a practice address in Boston
They are 1,906 of the 41,865 NPPES records with a practice address in Boston, and 17,815 clinical social worker records in Massachusetts.
All 17,815 in Massachusetts → Every provider in Boston → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Audrey Ades, LICSWBoston, MA 021091144205675
- Martha Bagby, LICSWBoston, MA 021091942251186
- Jennifer Baird, MSW, LICSWBoston, MA 021091588784987
- Kathleen BurkeBoston, MA 021091538455472
- Allison Elderkin, LICSWBoston, MA 021091811198831
- Claudia Garcia, LICSWBoston, MA 021091942508890
- Eva Harris, LICSWBoston, MA 021091528126380
- Andrea Mattisen, LICSW BCDBoston, MA 021091912034760
Common questions
What is Colette Duffy, LCSW's NPI number?
Colette Duffy, LCSW's National Provider Identifier (NPI) is 1447809553, issued on Sep 11, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Colette Duffy, LCSW located?
The NPPES record lists a practice address at 84 State St, Boston, MA, 02109. Phone: (860) 788-6404. Providers update this record themselves, so call before visiting.
How can I verify Colette Duffy, LCSW's license?
NPPES lists Massachusetts license number 223396, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.